Homepage

http://kicad-pcb.org/

Ofiicial forum

https://forum.kicad.info/

Tutorials (web)

Link placeholder

Tutorials (video)

Useful Utilities

http://www.compuphase.com/electronics/kicadlibrarian_en.htm - KiCAD Librarian.

http://kicad.rohrbacher.net/quicklib.php - KiCad Quick Library. This one is my (Abhishek's) personal favourite, allows me to generate new schematic libraries for most of the ICs pretty easily.